<template>
  <div class="wrapper">
    <!-- header部分 -->
    <header>
      <p>商家列表</p>
    </header>
    <!-- 商家列表部分 -->
    <ul class="business">
      <li
          v-for="item in businessArr"
          :key="item.id"
          @click="toBusinessInfo(item.id)"
      >
        <div class="business-img">
          <img :src="getImageUrl(item.businessImg)" />
          <div class="business-img-quantity" v-show="item.quantity > 0">
            {{ item.quantity }}
          </div>
        </div>
        <div class="business-info">
          <h3>{{ item.businessName }}</h3>
          <p>&#165;{{ item.starPrice }}起送 | &#165;{{ item.deliveryPrice }}配送</p>
          <p>{{ item.businessExplain }}</p>
        </div>
      </li>
    </ul>
    <!-- 底部菜单部分 -->
    <Footer />
  </div>
</template>

<script>
import { ref, onMounted } from 'vue';
import { useRouter } from 'vue-router';
import axios from 'axios';
import Footer from '../components/Footer.vue';

export default {
  name: 'BusinessList',
  components: {
    Footer,
  },
  setup() {
    const router = useRouter();
    const businessArr = ref([]); // 商家列表数据

    // 获取图片 URL
    const getImageUrl = (path) => {
      // 拼接图片路径
      return `/src/assets/img${path}`;
    };

    // 获取商家列表
    const fetchBusinessList = async () => {
      try {
        const response = await axios.get('http://localhost:8080/BusinessController/listAllBusinesses');
        if (response.data.code === 200) {
          businessArr.value = response.data.data; // 将返回的商家列表数据赋值给 businessArr
        } else {
          console.error('获取商家列表失败:', response.data.message);
        }
      } catch (error) {
        console.error('请求商家列表失败:', error);
      }
    };

    // 跳转到商家详情页
    const toBusinessInfo = (businessId) => {
      router.push({ path: '/businessInfo', query: { businessId } });
    };

    // 初始化逻辑
    onMounted(() => {
      fetchBusinessList(); // 组件挂载时加载商家列表
    });

    return {
      businessArr,
      toBusinessInfo,
      getImageUrl, // 返回 getImageUrl 方法
    };
  },
};
</script>

<style scoped>
/****************** 总容器 ******************/
.wrapper {
  width: 100%;
  height: 100%;
}

/****************** header部分 ******************/
.wrapper header {
  width: 100%;
  height: 12vw;
  background-color: #0097ff;
  color: #fff;
  font-size: 4.8vw;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
}

/****************** 商家列表部分 ******************/
.wrapper .business {
  width: 100%;
  margin-top: 12vw;
  margin-bottom: 14vw;
}

.wrapper .business li {
  width: 100%;
  box-sizing: border-box;
  padding: 2.5vw;
  border-bottom: solid 1px #ddd;
  user-select: none;
  cursor: pointer;
  display: flex;
  align-items: center;
}

.wrapper .business li .business-img {
  position: relative;
}

.wrapper .business li .business-img img {
  width: 20vw;
  height: 20vw;
}

.wrapper .business li .business-img .business-img-quantity {
  width: 5vw;
  height: 5vw;
  background-color: red;
  color: #fff;
  font-size: 3.6vw;
  border-radius: 2.5vw;
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  right: -1.5vw;
  top: -1.5vw;
}

.wrapper .business li .business-info {
  margin-left: 3vw;
}

.wrapper .business li .business-info h3 {
  font-size: 3.8vw;
  color: #555;
}

.wrapper .business li .business-info p {
  font-size: 3vw;
  color: #888;
  margin-top: 2vw;
}
</style>